RAMACHANDRA, K.; SANKARANARAYANAN, A.; SRINIVAS, K. Notes on Prime Number Theorem-II. The Journal of the Indian Mathematical Society, [S. l.], v. 72, n. 1-4, p. 13–18, 2005. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/21812. Acesso em: 3 may. 2024.